In order to hard reset a AIRIS T470, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
AIRIS T470 device will be brought back to the default configuration of a brand new device.
1. Power down the phone and power it back up.
2. Enter 1234.
3. Press Reset key to return to factory settings. Lastly, press OK.